Sulfur Ore vs Greenish Gold

How close are they?

ΔE 8.8, close: similar, with a visible difference side by side. Greenish Gold is more saturated, cooler than Sulfur Ore.

Can I use Greenish Gold instead of Sulfur Ore?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Greenish Gold is more saturated, cooler than Sulfur Ore.

Can I use Sulfur Ore instead of Greenish Gold?

The same difference applies the other way round: Sulfur Ore is more muted, warmer.

ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.